Consider the reaction 2H2 + O2 + 2H2O What is the ratio of the initial rate of the appearance of water to the initial rate of disappearance of oxygen?
a) 1:1
b) 2:1
c) 1:2
d) 2:2
e) 3:2

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

How does a large body of water, such as the ocean, influence climate?